80=20x4=10x2x2x2=5x2x2x2x2
5x2x2x2x2
4 because 9 times 4 is 36 and then you add the decimal and make it 3.6
Answer:
$ 31.925
Step-by-step explanation:
Final Value = a (1+r)^n
a = initial amount, r = appreciation rate, n = no. of time periods
a = 5 , r = 5% = 0.05 , n = 38
5 (1+0.05)^38
5 (1.05)^38
5 (6.385)
= 31.925
<span>2<span>(<span>y−<span>3<span>(<span>y−5</span>)</span></span></span>)</span></span><span>=<span><span>(2)</span><span>(<span>y+<span><span>−<span>3y</span></span>+15</span></span>)</span></span></span><span>=<span><span><span>(2)</span><span>(y)</span></span>+<span><span>(2)</span><span>(<span><span>−<span>3y</span></span>+15</span>)</span></span></span></span><span>=<span><span><span>2y</span>−<span>6y</span></span>+30</span></span><span>=<span><span>−<span>4y</span></span>+<span>30</span></span></span>
